Declension table of ?budharatna

Neuter	Singular	Dual	Plural
Nominative	budharatnam	budharatne	budharatnāni
Vocative	budharatna	budharatne	budharatnāni
Accusative	budharatnam	budharatne	budharatnāni
Instrumental	budharatnena	budharatnābhyām	budharatnaiḥ
Dative	budharatnāya	budharatnābhyām	budharatnebhyaḥ
Ablative	budharatnāt	budharatnābhyām	budharatnebhyaḥ
Genitive	budharatnasya	budharatnayoḥ	budharatnānām
Locative	budharatne	budharatnayoḥ	budharatneṣu

Compound budharatna -

Adverb -budharatnam -budharatnāt